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exam study guide

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
during what period did humans alter their habitats?   hunter-gatherer, industrial revolution, and agriculture revolution  
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in which country is the population likely to be increasing most rapidly?   Kenya  
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why is the world's loss ofbiodiversity a source of concern?   humans depend upon other organisms for food and oxygen  
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newspaper is what kind of material that becomes a polutant if allowed to accumulate more rapidly than it can decompose?   biodegradable  
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which country is most likely to have either a stabilized or a slowly growing population?   mexico  
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sunlight, air, forests, minerals, and water are all what?   natural resources  
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residents of what kind of countries make up about 80 percent of the world's total population?   developing  
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a natural material that can be replaced relatively quickly by natural processes known as what?   renewable resources  
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what is said to have occured when the last member of a species dies?   extintion.  
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compared to a developing nation, developed nations have what?   greater personal whealth  
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what is natural selection?   process that causes the characteristics of a population to change without human control  
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many angiosperms depend on animals for what?   pollinating their flowers and distributing their seeds  
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what is evolution?   change in the genetic characteristics in a population from one generation to the next  
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